mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-12-05 01:10:05 +00:00
5ad64bc33e
Fixed some inconsistencies with the methods added to support face-varying patches.
120 lines
3.9 KiB
C++
120 lines
3.9 KiB
C++
//
|
|
// Copyright 2015 Pixar
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "Apache License")
|
|
// with the following modification; you may not use this file except in
|
|
// compliance with the Apache License and the following modification to it:
|
|
// Section 6. Trademarks. is deleted and replaced with:
|
|
//
|
|
// 6. Trademarks. This License does not grant permission to use the trade
|
|
// names, trademarks, service marks, or product names of the Licensor
|
|
// and its affiliates, except as required to comply with Section 4(c) of
|
|
// the License and to reproduce the content of the NOTICE file.
|
|
//
|
|
// You may obtain a copy of the Apache License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the Apache License with the above modification is
|
|
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
// KIND, either express or implied. See the Apache License for the specific
|
|
// language governing permissions and limitations under the Apache License.
|
|
//
|
|
|
|
#ifndef OPENSUBDIV3_OSD_CL_PATCH_TABLE_H
|
|
#define OPENSUBDIV3_OSD_CL_PATCH_TABLE_H
|
|
|
|
#include "../version.h"
|
|
|
|
#include "../osd/opencl.h"
|
|
#include "../osd/nonCopyable.h"
|
|
#include "../osd/types.h"
|
|
|
|
#include <vector>
|
|
|
|
namespace OpenSubdiv {
|
|
namespace OPENSUBDIV_VERSION {
|
|
|
|
namespace Far{
|
|
class PatchTable;
|
|
};
|
|
|
|
namespace Osd {
|
|
|
|
/// \brief CL patch table
|
|
///
|
|
/// This class is a CL buffer representation of Far::PatchTable.
|
|
///
|
|
/// CLEvaluator consumes this table to evaluate on the patches.
|
|
///
|
|
///
|
|
class CLPatchTable : private NonCopyable<CLPatchTable> {
|
|
public:
|
|
/// Creator. Returns NULL if error
|
|
static CLPatchTable *Create(Far::PatchTable const *patchTable,
|
|
cl_context clContext);
|
|
|
|
template <typename DEVICE_CONTEXT>
|
|
static CLPatchTable * Create(Far::PatchTable const *patchTable,
|
|
DEVICE_CONTEXT context) {
|
|
return Create(patchTable, context->GetContext());
|
|
}
|
|
|
|
/// Destructor
|
|
~CLPatchTable();
|
|
|
|
/// Returns the CL memory of the array of Osd::PatchArray buffer
|
|
cl_mem GetPatchArrayBuffer() const { return _patchArrays; }
|
|
|
|
/// Returns the CL memory of the patch control vertices
|
|
cl_mem GetPatchIndexBuffer() const { return _indexBuffer; }
|
|
|
|
/// Returns the CL memory of the array of Osd::PatchParam buffer
|
|
cl_mem GetPatchParamBuffer() const { return _patchParamBuffer; }
|
|
|
|
/// Returns the CL memory of the array of Osd::PatchArray buffer
|
|
cl_mem GetVaryingPatchArrayBuffer() const { return _varyingPatchArrays; }
|
|
|
|
/// Returns the CL memory of the varying control vertices
|
|
cl_mem GetVaryingPatchIndexBuffer() const { return _varyingIndexBuffer; }
|
|
|
|
/// Returns the number of face-varying channel buffers
|
|
int GetNumFVarChannels() const { return (int)_fvarPatchArrays.size(); }
|
|
|
|
/// Returns the CL memory of the array of Osd::PatchArray buffer
|
|
cl_mem GetFVarPatchArrayBuffer(int fvarChannel = 0) const { return _fvarPatchArrays[fvarChannel]; }
|
|
|
|
/// Returns the CL memory of the face-varying control vertices
|
|
cl_mem GetFVarPatchIndexBuffer(int fvarChannel = 0) const { return _fvarIndexBuffers[fvarChannel]; }
|
|
|
|
/// Returns the CL memory of the array of Osd::PatchParam buffer
|
|
cl_mem GetFVarPatchParamBuffer(int fvarChannel = 0) const { return _fvarParamBuffers[fvarChannel]; }
|
|
|
|
protected:
|
|
CLPatchTable();
|
|
|
|
bool allocate(Far::PatchTable const *patchTable, cl_context clContext);
|
|
|
|
cl_mem _patchArrays;
|
|
cl_mem _indexBuffer;
|
|
cl_mem _patchParamBuffer;
|
|
|
|
cl_mem _varyingPatchArrays;
|
|
cl_mem _varyingIndexBuffer;
|
|
|
|
std::vector<cl_mem> _fvarPatchArrays;
|
|
std::vector<cl_mem> _fvarIndexBuffers;
|
|
std::vector<cl_mem> _fvarParamBuffers;
|
|
|
|
};
|
|
|
|
} // end namespace Osd
|
|
|
|
} // end namespace OPENSUBDIV_VERSION
|
|
using namespace OPENSUBDIV_VERSION;
|
|
|
|
} // end namespace OpenSubdiv
|
|
|
|
#endif // OPENSUBDIV3_OSD_CL_PATCH_TABLE_H
|